Final answer:
The diameter of an AN470AD4-4 Rivet is indicated by the '4' in its name, translating to 4/32 inches or 1/8 inch. Thus, the answer is a) 1/8 inch.
Step-by-step explanation:
The diameter of an AN470AD4-4 Rivet is specified by the number after the 'AD' in its name. In this case, '4'. Therefore, the diameter of an AN470AD4-4 rivet is 4/32 inches or 1/8 inch, so the correct answer to your question is option a) 1/8 inch. This naming convention is commonly used in both industrial and aeronautical engineering to identify the specifications of rivets used in various applications.
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